{"product_id":"factory-4-1-exhaust-silencer-07-25-honda-crf-150-r-fmf-041291","title":"Factory 4.1 Exhaust Silencer 07-25 Honda CRF 150 R - FMF 041291","description":"\u003cp\u003eFMF Racing’s Factory 4.1 SL (Slip-On) 041291 exhaust delivers cutting-edge performance honed from three decades of championship-winning experience. Constructed from premium titanium with a blue anodised finish, this slip-on system is engineered to boost horsepower across the rev range while maintaining a lightweight profile. Designed for racers seeking maximum power, each system includes a 94dB insert for noise compliance on closed courses and features a high-strength stainless steel end cap for exceptional durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight titanium construction for optimised strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eDelivers measurable horsepower gains throughout the RPM range\u003c\/li\u003e\n\u003cli\u003eIncludes blue anodised finish for enhanced style and protection\u003c\/li\u003e\n\u003cli\u003eFitted with a titanium midpipe and stainless steel endcap\u003c\/li\u003e\n\u003cli\u003eDesigned for single-configuration slip-on operation\u003c\/li\u003e\n\u003cli\u003e94dB quiet insert included for closed-course noise limits\u003c\/li\u003e\n\u003cli\u003eSpark arrestor insert sold separately\u003c\/li\u003e\n\u003cli\u003eFor closed-course use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem ID: 041291\u003c\/li\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Titanium\u003c\/li\u003e\n\u003cli\u003eFinish: Blue Anodised\u003c\/li\u003e\n\u003cli\u003eMidpipe: Titanium\u003c\/li\u003e\n\u003cli\u003eEndcap: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Insert (sold separately)\u003c\/li\u003e\n\u003cli\u003eCarb Warning: No\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB Insert (included)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHONDA\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCRF150R (2007–2025)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF Exhausts","offers":[{"title":"Default Title","offer_id":62857344876874,"sku":"209183","price":472.71,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/1249\/2874\/files\/factory-41-exhaust-silencer-07-25-honda-crf-150-r-fmf-041291-1709400.jpg?v=1785703927","url":"https:\/\/aceraceshop.co.uk\/products\/factory-4-1-exhaust-silencer-07-25-honda-crf-150-r-fmf-041291","provider":"ACE Race Shop","version":"1.0","type":"link"}